Home / 763,616.55-1,145,423.85-194,997.36

Finding the Fourth Proportional to 763,616.55, 1,145,423.85 and 194,997.36

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Solution

The fourth proportional to 763,616.55, 1,145,423.85 and 194,997.36 is: 292,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,616.55 : 1,145,423.85 = 194,997.36 : x
  2. Step 2: Convert to fraction form
    763,616.55/1,145,423.85 = 194,997.36/x
  3. Step 3: Cross multiply
    763,616.55x = 1,145,423.85 × 194,997.36
  4. Step 4: Simplify right side
    763,616.55x = 223,354,626,831.04
  5. Step 5: Solve for x
    x = 223,354,626,831.04/763,616.55
  6. Step 6: Final answer
    x = 292,495.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.